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In one aspect the disclosure is directed to a method for inexpensively producing a Y2O3 nano-powder material, thereby facilitating the increased utilization of the material in different commercial application. In another aspect the disclosure is directed to Y2O3 nano-powder composite materials consisting of Y2O3 and at least one oxide selected from the group consisting of MgO, CaO, BeO2, Al2O3, TiO2, ZrO2, SiO2, HfO2, YbO2, GdO2, Lu2O3 and additional rare earth oxides.